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Progestogen and progesterone supplementation after artificial insemination in postpartum beef cows. Author(s): MACHADO, R.; ZORZENON, M.; FERREIRA, L. C.; LEAL, L. S.; GUIESI, R. M.; BERGAMASCHI, M. A. C. M.; SUDANO, M. J. Repository: BDPA Publication year: 2011
The use of different progestin devices in ovarian stimulation protocol affects gene expression in sheep cumulus-oocyte complexes (COC). Author(s): BRAGANÇA, G. M.; BATISTA, R. I. T. P.; SOUZA, C. V.; SANTOS, J. D. R.; ARASHIRO, E. K. N.; FONSECA, J. F. da; BRANDÃO, F. Z.; SOUZA-FABJAN, J. M. G. Progesterone (P4) and its analogues (progestins) are commonly used in estrus synchronization protocols and to hold the LH surge during ovarian stimulation to allow oocyte recovery in live donor ewes.... ... Repository: BDPA Publication year: 2018
Superovulation and transcervical embryo recovery in Lacaune ewes raised under tropical conditions. Author(s): FIGUEIRA, L. M.; ALVES, N. G.; SOUZA-FABJAN, J. M. G.; BATISTA, R. I. T. P.; SOUZA, L. C.; MAIA, A. L. R. S.; BRAIR, V. L.; FILQUEIRAS, M.; SOUZA, G. N. de; FONSECA, J. F. da This study assessed two superovulatory treatments and the feasibility of transcervical embryo recovery in Lacaune ewes. Ewes (n=23) received medroxyprogesterone acetate sponges (60mg, Progespon®, Synt... ... Repository: BDPA Publication year: 2018
Estrus and fertility of anestrous Anglo-Nubian goats submitted to different synchronous protocols and given hCG five days after artificial insemination. Author(s): FONSECA, J. F. da; SOUZA, J. M. G.; RIBEIRO, A. C.; RIBEIRO, S. D. A.; VIANA, J. H. M.; FACO, O. Repository: BDPA Publication year: 2009
Efeito da reutilização de implantes de progesterona sobre o momento e número de ovulações em ovelhas. Author(s): BRANDÃO, F. Z.; CAVALCANTI, A. S.; PINA, A. E.; VIANNA, J. H. M.; BORGES, A. M.; SILVA, A. L. S.; NOGUEIRA, L. A. G.; FONSECA, J. F. Resumo: Em um programa de manejo reprodutivo ovino, as vantagens do uso da inseminação artificial dependem do controle do estro e da ovulação. Os métodos mais utilizados para a indução e sincronização... ... Repository: BDPA Publication year: 2007
The use of exogenous progesterone in sheep superovulation protocols influences the percentage of viable embryos. Author(s): TAIRA, A. R.; SANTOS, J. D. R.; COSENTINO, I. O.; BRAIR, V. L.; ESPÍRITO SANTO, C. G. do; PINTO, P. H. N.; SOUZA-FABJAN, J. M. G. de; FONSECA, J. F. da; UNGERFELD, R.; BRANDÃO, J. Z. The success of multiple ovulation and embryo transfer strongly depends on superovulatory protocols (SOV) success which has shown inconstant. SOV protocols have used different sources of progestogen wi... ... Repository: BDPA Publication year: 2020
Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats. Author(s): PAULA, C. J. C. de; SOUZA-FABJAN, J. M. G.; PINHEIRO, J. B. S.; GONÇALVES, J. D.; DIAS, J. H.; OLIVEIRA, M. E. F.; FONSECA, J. F. da This study assessed in dairy goats the effect of hormonal induction treatments varying only 12 h in progestogen device permanence on estrus synchrony and fertility. In both Experiments, goats received... ... Repository: BDPA Publication year: 2020
Induction of synchronous estrus in Morada Nova ewes: effects of distinct progestagen duration regimen and non-surgical embryo recovery as a tool to access efficiency measurements. Author(s): PRELLWITZ, L.; ARRAIS, A. M.; MELLO, M. R. B. de; VERGANI, G. B.; ESTEVES, S. N.; BARBOSA, N. O.; CARVALHO, B. P.; DIAS, J. H.; OLIVEIRA, M. E. F.; FONSECA, J. F. da Abstract: The first stet for applying superovulation is to know the responsiveness of the ewe to different estrous synchronous protocol duration and possible implications on embryo yield. On the other... ... Repository: BDPA Publication year: 2019
Sincronização e indução do estro em caprinos leiteiros. Author(s): BALARO, M. E. A.; SOUZA-FABJAN, J. M. G.; CORTÊS, L. R.; MAIA, A. L. R.; UNGERFELD, R.; FONSECA, J. F. da; BRANDÃO, F. Z. Resumo: A estacionalidade reprodutiva em caprinos enfraquece a cadeia produtiva e torna inconstante a receita obtida. Produtores procuram utilizar protocolos hormonais ou metodologias naturais visando... ... Repository: BDPA Publication year: 2017
FSH dose and strategy of administration during ovarian stimulation alter the gene expression profile in ovine cumulus-oocyte complexes. Author(s): BRAGANÇA, G. M.; BATISTA, R. I. T. P.; SOUZA FABJAN, J. M. G. de; ALFRADIQUE, V. A. P.; CORTÊS, L. R.; CAMARGO, L. S. de A.; FONSECA, J. F. da; BRANDÃO, F. Z. Ovarian stimulation is an important tool to increase the number of oocytes obtained by laparoscopy for the in vitro production of embryos (IVP). In sheep, different concentrations of FSH administered... ... Repository: BDPA Publication year: 2017

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